For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningFuel Tank Filler Pipe Housing Replacement
Preliminary Procedure
Remove rear wheelhouse panel liner. Refer to Rear Wheelhouse Panel Liner
Replacement.
Remove fuel tank filler door. Refer to Fuel Tank Filler Door
Replacement.
Fuel Tank Filler Door Lock Actuator
Procedure
Disconnect electrical connector.
Fuel Tank ...
Installation Procedure
Remove all mounds or loose pieces of urethane adhesive from the
pinch-weld area.
Inspect for any of the following problems in order to help prevent
future breakage of the window:
High weld
Solder spots
Hardened sealer
Any other obstruction or irregularity in the pinch-weld fla ...
Overview
Read the following pages to become familiar with the infotainment system features.
WARNING
Taking your eyes off the road for extended periods could cause a crash resulting
in injury or death to you or others. Do not give extended attention to infotainment
tasks while driving.
The infotainment ...